Sold AS IS, functional, and works with Comcast Cable systems still, I believe.
The Motorola MB742010 686 Mbps DOCSIS 3.0 Cable Modem is a high-speed modem designed for home networking and connectivity. With a maximum downstream data rate of 686 Mbps and a maximum LAN data rate of 1000 Mbps, this modem is suitable for fast and reliable internet access. The modem is compact in size, with a sleek black design and a single Ethernet (RJ-45) port for easy connectivity. It is compatible with Comcast and follows the DOCSIS 3.0 standard for enhanced performance. Ideal for home or small office use, the Motorola MB742010 provides a reliable and efficient internet connection.